Airplane



FIG. 1 is a front perspective view of the airplane of the new design, from above the airplane, which is illustrated with landing gear deployed.

FIG. 2 is a further front perspective view of the airplane, with the airplane banked to one side and the landing gear retracted.

FIG. 3 is a front view of the airplane; and,

FIG. 4 is a left-side view of the airplane.

The broken lines shown on the drawings illustrate portions of the airplane that form no part of the claimed design. 

CLAIM We claim the ornamental design for an airplane, as shown and described. 